Réamhaisnéis limistear na farraige
Forecast valid from: 00:00, Friday 12 December 2025 until 00:00, Saturday 13 December 2025
Small Craft Warning
South to southwest winds will reach force 6 or higher overnight and on Friday on coasts from Mizen Head to Erris Head to Fair Head.
Gale Warning
Nil
Atlantic Swell
On Atlantic coasts.
Meteorological Situation at 21:00 UTC
A depression of 971hPa centred to the southwest of Iceland extends a cold front which lies over the east coast of Ireland. A moderate to strong southwesterly airflow follows the clearance of the front.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Mizen Head to Erris Head to Fair Head
Wind: South to southwest force 5 to 7.
Weather: Fair with scattered showers.
Visibility: Good, decreasing moderate or poor in showers.
Forecast for Irish coastal waters from Fair Head to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Westerly or variable force 2 to 4, backing southwesterly imminent. Soon increasing force 4 or 5. Later increasing force 6 at times north of Howth Head.
Weather: Fair with isolated showers.
Visibility: Mostly good.
Outlook for a further 24 hours until 00:00, Sunday 14 December 2025
Fresh to strong southwest winds, increasing strong to gale force early on Saturday and reaching strong gale force at times on northwest coasts on Saturday morning and afternoon. Weather: Showers becoming isolated. Rain moving in from the west on Saturday morning and spreading eastwards.
Forecast issued at: 00:00, Friday 12 December 2025
All times are local unless specified
